USGS HVO Press Release — HVO Geophysicists Doing Routine Check of Haleakalā Volcano
Hawaiian Volcano Observatory geophysicists are conducting a routine GPS survey of Haleakalā Volcano on the island of Maui this week as part of the U.S. Geological Survey's volcano monitoring effort.
Haleakalā last erupted several hundred years ago and is still considered active; therefore, GPS surveys are completed every few years to look for ground movements that might indicate a change in the activity of the volcano. A network of 12 stations are currently being surveyed this week, supplementing the single continuously recording GPS station near the summit of the volcano. Repeated measurements over the past decade have shown no significant movement of the volcano, but HVO continues to check. This monitoring would not be possible without the support of ‘Ulupalakua Ranch, Ka‘ono‘ulu Ranch, Hana Airport, Maui Pineapple Co., Ltd., the Department of Hawaiian Home Lands, and Haleakalā National Park in granting access to the stations.
Daily updates about ongoing eruptions, recent images and videos of summit and East Rift Zone volcanic activity, maps, and data about recent earthquakes in Hawaii are posted on the HVO website at https://volcanoes.usgs.gov/observatories/hvo.
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